Etymology and distribution of 沢丸.

Sawamaru 【沢丸】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Iwate-ken Rikuzentakata-shi . A variant of 砂田 . Iwate-ken Rikuzentakata-shi The owner of the Kurosaki shrine in Hirota town changed the letter as Meiji New surname changed when he was the headquarters of Sanda. 砂田 Sunada reference.

Baekje system ※. Originated from Hiroshima-ken Higashihiroshima-shi (formerly Shanda (Master) County). A place name with a record in the Heian period. Kyouto - fu Kyouto - shi had Shiwa 's last name in the Heian period.